Home / 112,620.88-155,420.04-62,324.56

Finding the Fourth Proportional to 112,620.88, 155,420.04 and 62,324.56

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Solution

The fourth proportional to 112,620.88, 155,420.04 and 62,324.56 is: 86,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,620.88 : 155,420.04 = 62,324.56 : x
  2. Step 2: Convert to fraction form
    112,620.88/155,420.04 = 62,324.56/x
  3. Step 3: Cross multiply
    112,620.88x = 155,420.04 × 62,324.56
  4. Step 4: Simplify right side
    112,620.88x = 9,686,485,608.18
  5. Step 5: Solve for x
    x = 9,686,485,608.18/112,620.88
  6. Step 6: Final answer
    x = 86,009.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.